The Supertech piston set for Nissan CA18DET offers four pistons at 84.5mm (+1.5) with a 30mm crown height and flat-top design, specified to an 8.5:1 compression ratio; rings are not included. This kit is intended for engine overhauls that require the noted bore oversize and crown dimensions to restore correct compression and maintain engine geometry for the CA18DET.
Supertech Nissan CA18DET 84.5mm (+1.5) 30mm CH Flat Top 8.5:1 CR Piston - Set of 4 (Excl Rings)